/*
 * Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1.  Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer. 
 * 2.  Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution. 
 * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
 *     its contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission. 
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#import "WebTypesInternal.h"
#import "WebDelegateImplementationCaching.h"
#import <WebCore/PlatformString.h>
#import <WebCore/WebCoreKeyboardUIMode.h>
#import <wtf/HashMap.h>
#import <wtf/RetainPtr.h>

namespace WebCore {
    class Page;
}

@class WebInspector;
@class WebNodeHighlight;
@class WebPluginDatabase;
@class WebPreferences;
@class WebTextCompletionController;
@protocol WebFormDelegate;

extern BOOL applicationIsTerminating;
extern int pluginDatabaseClientCount;

// FIXME: This should be renamed to WebViewData.
@interface WebViewPrivate : NSObject {
@public
    WebCore::Page* page;
    
    id UIDelegate;
    id UIDelegateForwarder;
    id resourceProgressDelegate;
    id downloadDelegate;
    id policyDelegate;
    id policyDelegateForwarder;
    id frameLoadDelegate;
    id frameLoadDelegateForwarder;
    id <WebFormDelegate> formDelegate;
    id editingDelegate;
    id editingDelegateForwarder;
    id scriptDebugDelegate;

    WebInspector *inspector;
    WebNodeHighlight *currentNodeHighlight;

    BOOL allowsUndo;
        
    float zoomMultiplier;

    NSString *applicationNameForUserAgent;
    WebCore::String userAgent;
    BOOL userAgentOverridden;
    
    WebPreferences *preferences;
    BOOL useSiteSpecificSpoofing;

    NSWindow *hostWindow;

    int programmaticFocusCount;
    
    WebResourceDelegateImplementationCache resourceLoadDelegateImplementations;
    WebFrameLoadDelegateImplementationCache frameLoadDelegateImplementations;
    WebScriptDebugDelegateImplementationCache scriptDebugDelegateImplementations;

    void *observationInfo;
    
    BOOL closed;
    BOOL shouldCloseWithWindow;
    BOOL mainFrameDocumentReady;
    BOOL drawsBackground;
    BOOL editable;
    BOOL tabKeyCyclesThroughElementsChanged;
    BOOL becomingFirstResponder;
    BOOL becomingFirstResponderFromOutside;
    BOOL hoverFeedbackSuspended;
    BOOL usesPageCache;
    BOOL catchesDelegateExceptions;

    NSColor *backgroundColor;

    NSString *mediaStyle;
    
    BOOL hasSpellCheckerDocumentTag;
    NSInteger spellCheckerDocumentTag;

    BOOL smartInsertDeleteEnabled;
    BOOL selectTrailingWhitespaceEnabled;
        
#if ENABLE(DASHBOARD_SUPPORT)
    BOOL dashboardBehaviorAlwaysSendMouseEventsToAllWindows;
    BOOL dashboardBehaviorAlwaysSendActiveNullEventsToPlugIns;
    BOOL dashboardBehaviorAlwaysAcceptsFirstMouse;
    BOOL dashboardBehaviorAllowWheelScrolling;
#endif
    
    // WebKit has both a global plug-in database and a separate, per WebView plug-in database. Dashboard uses the per WebView database.
    WebPluginDatabase *pluginDatabase;
    
    HashMap<unsigned long, RetainPtr<id> > identifierMap;

    BOOL _keyboardUIModeAccessed;
    WebCore::KeyboardUIMode _keyboardUIMode;

    BOOL shouldUpdateWhileOffscreen;
    
    // When this flag is set, we will not make any subviews underneath this WebView.  This means no WebFrameViews and no WebHTMLViews.
    BOOL usesDocumentViews;
    
#if USE(ACCELERATED_COMPOSITING)
    // When this flag is set, next time a WebHTMLView draws, it needs to temporarily disable screen updates
    // so that the NSView drawing is visually synchronized with CALayer updates.
    BOOL needsOneShotDrawingSynchronization;
    // Number of WebHTMLViews using accelerated compositing. Used to implement _isUsingAcceleratedCompositing.
    int acceleratedFramesCount;
    // Run loop observer used to implement the compositing equivalent of -viewWillDraw
    CFRunLoopObserverRef viewUpdateRunLoopObserver;
#endif

    NSPasteboard *insertionPasteboard;
            
    NSSize lastLayoutSize;

    BOOL ignoringMouseDraggedEvents;

    NSEvent *mouseDownEvent; // Kept after handling the event.
    BOOL handlingMouseDownEvent;
    NSEvent *keyDownEvent; // Kept after handling the event.

    WebTextCompletionController *completionController;

    NSTimer *autoscrollTimer;
    NSEvent *autoscrollTriggerEvent;

    CFRunLoopTimerRef updateMouseoverTimer;
}
@end
